نتایج جستجو برای: leukemic cell lines
تعداد نتایج: 1798437 فیلتر نتایج به سال:
C HRONIC LYMPHOCYTIC LEUKEMIA (CLL) B cells are, in general, highly refractory to transformation by Epstein-Barr virus (EBV),’ and therefore, relatively few EBV-immortalized cell lines originating from CLL cells have been described.’4 In this paper we report the establishment of a novel EBV-transformed B cell line from the leukemic cells of a CLL patient that expressed surface u immunoglobulin....
BACKGROUND Pereskia sacharosa is a genus of cacti widely used in folk medicine for cancer-related treatment. Anti-proliferative effects have been studied in recent years against colon, breast, cervical and lung cancer cell lines, with promising results. We here extended study of anti-proliferative effects to a blood malignancy, leukemia. MATERIALS AND METHODS Two leukemic cell lines, MV4-11 (...
Pharmacological Rac1 inhibitors with selective apoptotic activity in human acute leukemic cell lines
Purpose: BCR-ABL+ B-ALL leukemic cells are highly dependent on the expression of endogenous antiapoptotic MCL-1 to promote viability and are resistant to BH3-mimetic agents such as navitoclax (ABT-263) that target BCL-2, BCL-XL, and BCL-W. However, the survival of most normal blood cells and other cell types is also dependent on Mcl-1 Despite the requirement for MCL-1 in these cell types, initi...
The radiation response of murine L1210 leukemia was exam ined. Radiation dose-survival curves demonstrated that nondividing (resting) leukemic cells and logarithmically proliferating leukemic cells were equally radiosensitive. A radiosensitive state was also demonstrated for 2 drug-altered leukemia cell lines, 1 strain being markedly resistant to antimetabolite therapy and the other having a de...
We have analyzed the organization and expression of the immunoglobulin heavy and light chain gene in the human myeloblastic leukemic sublines, ML1, ML2, and ML3, and in the human myeloid leukemic cell lines, HL-60, U937, THP1, and K562. ML1, ML2, and ML3 cells, despite a predominant granulocytic phenotype, express a rearrangement of the immunoglobulin heavy chain gene that typically occurs duri...
We examined the effect of the human T lymphotropic virus type 1 (HTLVI) Tax gene product on the human transforming growth factor 01(TGF-01) promoter. Transfection ofdeleted constructs ofthe TGF-fl1 promoter revealed regions homologous with AP-1 binding sites that were required for Tax-induced transactivation of the TGF-(31 promoter. In addition, we examined the expression and secretion ofTGF-,3...
We have previously demonstrated that human granulocyte-macrophage colony-stimulating factor (GM-CSF) fused to a truncated diphtheria toxin (DT388-GMCSF) kills acute myelogenous leukemia (AML) cell lines bearing the GM-CSF receptor. We now report that exposure of malignant cells from 50 different patients with AML for 48 hours in culture to DT388-GMCSF reduces by a median of 1.6 logs (range, 0 t...
Cure rates for acute myeloid leukemia (AML) remain suboptimal; thus new treatment strategies are needed for this deadly disease. Poor clinical outcomes have been associated with overexpression of the anti-apoptotic Bcl-2 family proteins Bcl-2, Bcl-xL, and Mcl-1, which have garnered great interest as therapeutic targets. While the Bcl-2-selective inhibitor ABT-199 has demonstrated promising prec...
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